import { reqGetCartList, reqDeleteCartById, reqUpdateCheckedById } from "@/api"
const state = {
    cartList: []
};
const mutations = {
    GETCARTLIST(state, cartList) {
        state.cartList = cartList
    }
};
const actions = {
    //获取购物车列表数据
    async getCartList({ commit }) {
        let result = await reqGetCartList();
        if (result.code == 200) {
            commit("GETCARTLIST", result.data)
        }
    },
    //删除购物车商品
    async deleteCartById({ commit }, skuId) {
        let result = await reqDeleteCartById(skuId);
        if (result.code == 200) {
            return 'ok';
        } else {
            return Promise.reject(new Error('faile'));
        }
    },
    //切换购物车商品选中状态
    async updateCheckedById({ commit }, { skuId, isChecked }) {
        let result = await reqUpdateCheckedById(skuId, isChecked);
        if (result.code == 200) {
            return "ok";
        } else {
            return Promise.reject(new Error('faile'));
        }
    },
    //删除购物车选中的商品
    deleteAllCheckedCart({ dispatch, getters }) {
        //context:小仓库，commit【提交mutations修改state】 getters【计算属性】 dispatch【派发action】 state【当前仓库数据】
        //获取购物车中全部的产品（是一个数组）
        let PromiseAll = [];
        getters.cartList.cartInfoList.forEach((item) => {
            let promise =
                item.isChecked == 1
                    ? dispatch("deleteCartById", item.skuId)
                    : "";
            //将每一次返回的Promise添加到数组当中
            PromiseAll.push(promise);
        });
        //只要全部的p1|p2....都成功，返回结果即为成功
        //如果有一个失败，返回即为失败结果
        return Promise.all(PromiseAll);
    },
    //修改全部商品的选中状态
    updateAllCartIsChecked({dispatch,state},isChecked){
        let PromiseAll=[];
        state.cartList[0].cartInfoList.forEach((item)=>{
            let promise = dispatch("updateCheckedById",{skuId:item.skuId,isChecked});
            PromiseAll.push(promise);
        })
        return Promise.all(PromiseAll);
    }
};
const getters = {
    cartList(state) {
        return state.cartList[0] || {};
    }
};
export default {
    state,
    mutations,
    actions,
    getters
}